Beyond the Door: a Exorcist or Rosemary's Doppelganger This 1974 film is iconic since it represents a sleuthing of copycats from Satanic thematically films from "The Exorcist" (1973) to "Rosemary's Baby" (1968). It stars English actor Juliet Mills as the possessed mother with this Italian production. It all shot in San Francisco, California and dubbed in English.
The film had been recognized for its Jazz/Funk-influenced soundtrack utilizing San Francisco 70s scenery like the controversial Tenderloin area. The story surrounds an expecting mother living with two children living and her husband, Italian veteran, Grabielle Lavia.
The film's reference to cults is utilized well, making it different from other "Exorcist" rip-offs. At the time of film's release, Charles Manson and his cult were present in popular media. Also, the fact that there's known satanic cults in San Francisco area. The main character, mother was supposedly connected to a demonic cult, whereas Johnson's character is drawn to her, finding demonic possession. Cult imagery parade within the "haunted" actor, played Richard Johnson. One memorable scene is of a crucified Jesus, morphing it's gender.
Another strength is the surreal elements of its story. It multiple possessions, as though everyone surrounding the mother, has been touched by evil. Mill's possessed performance works well here - interesting urban scenes wandering in a trance, eating discarded street food for an unborn nourishment.
The optical effects are quite effective using some tricks owed to the "Exorcist" film.
This film tries a few new tricks, adding it's surrealist elements. An unforgettable scene with the two children within a room of dolls and toys that become animated. Years before Tobe Hooper's "Poltergeist" scenes of possessed toys and dolls.
It's sarcastic ending almost comical but a Karma-tragic final. It spinned off sequels using the same English title: "Beyond the Door" making use of this film's mother/child relationship, successfully done with the sequel.